package com.heima.user.service.impl;

import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsRequest;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsResponse;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserVerificationCodeService;
import com.heima.user.utils.IpUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

@Service
@Slf4j
public class ApUserVerificationCodeServiceImpl implements ApUserVerificationCodeService {
   // 产品名称:云通信短信API产品,开发者无需替换
    static final String product = "Dysmsapi";
    // 产品域名,开发者无需替换
    static final String domain = "dysmsapi.aliyuncs.com";

    //此处需要替换成开发者自己的AK(在阿里云访问控制台寻找)
    static final String accessKeyId = "LTAI5tRvvYri7koW7vaQsZMy";
    static final String accessKeySecret = "UkvVStFkHLzm7ZXcJyzKDAD6TLxljv";

    private static int newcode;

    @Autowired
    StringRedisTemplate redisTemplate;
    @Autowired
    ApUserMapper apUserMapper;
    @Autowired
    HttpServletRequest request;

    @Override
    public ResponseResult sendVerificationCode(String tel)  {
        //1.判断手机号是否为空
        if(StringUtils.isBlank(tel)){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"手机号为空");
        }
        // 检查手机号是否合法
        String reg = "^[1][358][0-9]{9}$";
        Pattern pattern = Pattern.compile(reg);
        Matcher matcher = pattern.matcher(tel);
        boolean booleanTel = matcher.matches();
        if (!booleanTel){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"手机号不合法");
        }

        //从request中获取用户登陆ip
        String ip = IpUtil.getIpAddr(request);
        String blackList = tel + "_" + ip;
        ValueOperations<String, String> opeBlackList = redisTemplate.opsForValue();
        //2.判断当前用户是否在黑名单中
        if(opeBlackList.get(blackList) != null){
            log.info("当前用户在黑名单中，请稍后重试");
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_ALLOW,"您在黑名单中，请稍后重新输入");
        }
        //3.判断当前用户是否已被冻结
        // 先用手机号查询用户
        ApUser apUser = apUserMapper.selectOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone,tel));
        if (apUser==null) {
            log.info("用户未注册");
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户未注册");
        }
        if(apUser.getStatus()){
            log.info("当前用户已经被冻结，请联系管理员激活");
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_ALLOW,"您已经被冻结，请联系管理员激活");
        }
        setNewcode();
        String code = Integer.toString(getNewcode());
        SendSmsResponse sendSms = null;
        try {
            sendSms = sendSms(tel,code);
        } catch (ClientException e) {
            e.printStackTrace();
        }
        if(sendSms == null){
            log.info("短信验证码发送失败");
            return  ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"短信验证码发送失败");
        }
        // 将消息放在redis队列中
        ValueOperations<String, String> opeVerificationCode = redisTemplate.opsForValue();
        String prefix = "smCode";


        opeVerificationCode.set(tel+prefix,code,5, TimeUnit.MINUTES);
        return ResponseResult.okResult("验证码发送成功");
    }
    public static SendSmsResponse sendSms(String telephone, String code) throws ClientException {
        // 可自助调整超时时间
        System.setProperty("sun.net.client.defaultConnectTimeout", "10000");
        System.setProperty("sun.net.client.defaultReadTimeout", "10000");

        // 初始化acsClient,暂不支持region化
        IClientProfile profile = DefaultProfile.getProfile("cn-hangzhou", accessKeyId, accessKeySecret);
        DefaultProfile.addEndpoint("cn-hangzhou", "cn-hangzhou", product, domain);
        IAcsClient acsClient = new DefaultAcsClient(profile);

        // 组装请求对象-具体描述见控制台-文档部分内容
        SendSmsRequest request = new SendSmsRequest();
        // 必填:待发送手机号
        request.setPhoneNumbers(telephone);
        // 必填:短信签名-可在短信控制台中找到
        request.setSignName("爱思乐社交"); // 改这里
        // 必填:短信模板-可在短信控制台中找到
        request.setTemplateCode("SMS_164595129");  // 改这里
        // 可选:模板中的变量替换JSON串,如模板内容为"亲爱的用户,您的验证码为${code}"时,此处的值为
        request.setTemplateParam("{\"code\":\"" + code + "\"}");

        // 选填-上行短信扩展码(无特殊需求用户请忽略此字段)
        // request.setSmsUpExtendCode("90997");

        // 可选:outId为提供给业务方扩展字段,最终在短信回执消息中将此值带回给调用者
        request.setOutId("yourOutId");

        // hint 此处可能会抛出异常，注意catch
        SendSmsResponse sendSmsResponse = acsClient.getAcsResponse(request);
        if(sendSmsResponse.getCode()!= null && sendSmsResponse.getCode().equals("OK")){
            System.out.println("短信发送成功！");
        }else {
            System.out.println("短信发送失败！");
        }
        return sendSmsResponse;
    }
    //随机生成验证码
    public static int getNewcode() {
        return newcode;
    }
    public static void setNewcode(){
        newcode = (int)(Math.random()*9999)+100;  //每次调用生成一次四位数的随机数
    }

}
